Home / 19,272.06-26,584.38-12,099.15

Finding the Fourth Proportional to 19,272.06, 26,584.38 and 12,099.15

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Solution

The fourth proportional to 19,272.06, 26,584.38 and 12,099.15 is: 16,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272.06 : 26,584.38 = 12,099.15 : x
  2. Step 2: Convert to fraction form
    19,272.06/26,584.38 = 12,099.15/x
  3. Step 3: Cross multiply
    19,272.06x = 26,584.38 × 12,099.15
  4. Step 4: Simplify right side
    19,272.06x = 321,648,401.28
  5. Step 5: Solve for x
    x = 321,648,401.28/19,272.06
  6. Step 6: Final answer
    x = 16,689.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.